No. 6 of 30 ·Network Protocol Analyzers

OpenGrep

Windows · Mac · Linux

Freedom report

Three barsScore 6.5

Free tierA free tier is on its own pricing page
Open codeNo open-source code on record
Runs widely3 of 6 device platforms
DocumentedPlans, terms and facts published

OpenGrep is ranked #6 of 30 in network protocol analyzers on Freedom251. It runs on Linux, macOS, Windows. There is a free plan.

OpenGrep plans and pricing

All plans

OpenGrep Free Open-source static analysis engine; CLI opengrep.dev · 3 Oct 2026

Compared on network protocol analyzers

Free plan: Yes

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The record

Purpose: OpenGrep is an open-source static code analysis engine for finding security issues and searching code patterns.
License: The repository identifies OpenGrep as a fork of Semgrep under the LGPL 2.1 license.
Language support: The project says it supports 30+ languages, including Python, Java, JavaScript, Go, Rust, PHP, and Visual Basic.
Rule compatibility: Existing Semgrep rules and rulesets work unchanged with OpenGrep.
Analysis features: Its intrafile taint analysis supports constructor and field assignment tracking, inter-method taint flow, higher-order functions across 12 languages, and collection methods such as map, filter, and reduce.
Output formats: OpenGrep supports JSON and SARIF output for integration into workflows.
Distribution: The project distributes self-contained binaries and says releases are signed with Cosign.
Supported systems: The README provides installation instructions for Linux, macOS, and Windows.
Integrations: The repository documents a CI subcommand, and its output formats include JSON and SARIF.
Security reports: The security policy asks users to report vulnerabilities by email and says the latest version is supported.
Governance: The project says contributions are reviewed on merit and is backed by an application-security consortium that includes Aikido Security, Amplify, Endor Labs, Kodem, and Orca Security.
Intended users: The project invites developers and organizations to use and contribute to its open static analysis engine.
Notable limit: The security policy lists only the latest version as supported.
Price from: Free

Where it ranks on Freedom251

Best Network Protocol Analyzers in 2026#6 of 30
Best Static Application Security Testing Software in 2026#7 of 25

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Sources

github.com/opengrep/opengrep· checked 3 Oct 2026
opengrep.dev· checked 3 Oct 2026
github.com/opengrep/opengrep/releases· checked 3 Oct 2026
github.com/opengrep/opengrep/blob/main/SECURITY.md· checked 3 Oct 2026
opengrep.dev· checked 3 Oct 2026